def test_100_continue(self):
# Run through a 100-continue interaction by hand:
# When given Expect: 100-continue, we get a 100 response after the
# headers, and then the real response after the body.
stream = IOStream(socket.socket(), io_loop=self.io_loop)
stream.connect(("localhost", self.get_http_port()), callback=self.stop)
self.wait()
stream.write(b("\r\n").join([b("POST /hello HTTP/1.1"),
b("Content-Length: 1024"),
b("Expect: 100-continue"),
b("\r\n")]), callback=self.stop)
self.wait()
stream.read_until(b("\r\n\r\n"), self.stop)
data = self.wait()
self.assertTrue(data.startswith(b("HTTP/1.1 100 ")), data)
stream.write(b("a") * 1024)
stream.read_until(b("\r\n"), self.stop)
first_line = self.wait()
self.assertTrue(first_line.startswith(b("HTTP/1.1 200")), first_line)
stream.read_until(b("\r\n\r\n"), self.stop)
header_data = self.wait()
headers = HTTPHeaders.parse(native_str(header_data.decode('latin1')))
stream.read_bytes(int(headers["Content-Length"]), self.stop)
body = self.wait()
self.assertEqual(body, b("Got 1024 bytes in POST"))
def test_100_continue(self):
# Run through a 100-continue interaction by hand:
# When given Expect: 100-continue, we get a 100 response after the
# headers, and then the real response after the body.
stream = IOStream(socket.socket(), io_loop=self.io_loop)
stream.connect(("localhost", self.get_http_port()), callback=self.stop)
self.wait()
stream.write(b("\r\n").join([
b("POST /hello HTTP/1.1"),
b("Content-Length: 1024"),
b("Expect: 100-continue"),
b("\r\n")
]),
callback=self.stop)
self.wait()
stream.read_until(b("\r\n\r\n"), self.stop)
data = self.wait()
self.assertTrue(data.startswith(b("HTTP/1.1 100 ")), data)
stream.write(b("a") * 1024)
stream.read_until(b("\r\n"), self.stop)
first_line = self.wait()
self.assertTrue(first_line.startswith(b("HTTP/1.1 200")), first_line)
stream.read_until(b("\r\n\r\n"), self.stop)
header_data = self.wait()
headers = HTTPHeaders.parse(native_str(header_data.decode('latin1')))
stream.read_bytes(int(headers["Content-Length"]), self.stop)
body = self.wait()
self.assertEqual(body, b("Got 1024 bytes in POST"))
def fetch(self, request, callback, **kwargs):
if not isinstance(request, HTTPRequest):
request = HTTPRequest(url=request, **kwargs)
if not isinstance(request.headers, HTTPHeaders):
request.headers = HTTPHeaders(request.headers)
callback = stack_context.wrap(callback)
self.queue.append((request, callback))
self._process_queue()
if self.queue:
logging.debug("max_clients limit reached, request queued. "
"%d active, %d queued requests." %
(len(self.active), len(self.queue)))
def _on_headers(self, data):
data = native_str(data.decode("latin1"))
first_line, _, header_data = data.partition("\n")
match = re.match("HTTP/1.[01] ([0-9]+)", first_line)
assert match
self.code = int(match.group(1))
self.headers = HTTPHeaders.parse(header_data)
if "Content-Length" in self.headers:
if "," in self.headers["Content-Length"]:
# Proxies sometimes cause Content-Length headers to get
# duplicated. If all the values are identical then we can
# use them but if they differ it's an error.
pieces = re.split(r',\s*', self.headers["Content-Length"])
if any(i != pieces[0] for i in pieces):
raise ValueError("Multiple unequal Content-Lengths: %r" %
self.headers["Content-Length"])
self.headers["Content-Length"] = pieces[0]
content_length = int(self.headers["Content-Length"])
else:
content_length = None
if self.request.header_callback is not None:
for k, v in self.headers.get_all():
self.request.header_callback("%s: %s\r\n" % (k, v))
if self.request.method == "HEAD":
# HEAD requests never have content, even though they may have
# content-length headers
self._on_body(b(""))
return
if 100 <= self.code < 200 or self.code in (204, 304):
# These response codes never have bodies
# http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.3
assert "Transfer-Encoding" not in self.headers
assert content_length in (None, 0)
self._on_body(b(""))
return
if (self.request.use_gzip and
self.headers.get("Content-Encoding") == "gzip"):
# Magic parameter makes zlib module understand gzip header
# http://stackoverflow.com/questions/1838699/how-can-i-decompress-a-gzip-stream-with-zlib
self._decompressor = zlib.decompressobj(16+zlib.MAX_WBITS)
if self.headers.get("Transfer-Encoding") == "chunked":
self.chunks = []
self.stream.read_until(b("\r\n"), self._on_chunk_length)
elif content_length is not None:
self.stream.read_bytes(content_length, self._on_body)
else:
self.stream.read_until_close(self._on_body)
def _on_headers(self, data):
data = native_str(data.decode("latin1"))
first_line, _, header_data = data.partition("\n")
match = re.match("HTTP/1.[01] ([0-9]+)", first_line)
assert match
self.code = int(match.group(1))
self.headers = HTTPHeaders.parse(header_data)
if "Content-Length" in self.headers:
if "," in self.headers["Content-Length"]:
# Proxies sometimes cause Content-Length headers to get
# duplicated. If all the values are identical then we can
# use them but if they differ it's an error.
pieces = re.split(r',\s*', self.headers["Content-Length"])
if any(i != pieces[0] for i in pieces):
raise ValueError("Multiple unequal Content-Lengths: %r" %
self.headers["Content-Length"])
self.headers["Content-Length"] = pieces[0]
content_length = int(self.headers["Content-Length"])
else:
content_length = None
if self.request.header_callback is not None:
for k, v in self.headers.get_all():
self.request.header_callback("%s: %s\r\n" % (k, v))
if self.request.method == "HEAD":
# HEAD requests never have content, even though they may have
# content-length headers
self._on_body(b(""))
return
if 100 <= self.code < 200 or self.code in (204, 304):
# These response codes never have bodies
# http://www.w3.org/Protocols/rfc2616/rfc2616-sec4.html#sec4.3
assert "Transfer-Encoding" not in self.headers
assert content_length in (None, 0)
self._on_body(b(""))
return
if (self.request.use_gzip
and self.headers.get("Content-Encoding") == "gzip"):
# Magic parameter makes zlib module understand gzip header
# http://stackoverflow.com/questions/1838699/how-can-i-decompress-a-gzip-stream-with-zlib
self._decompressor = zlib.decompressobj(16 + zlib.MAX_WBITS)
if self.headers.get("Transfer-Encoding") == "chunked":
self.chunks = []
self.stream.read_until(b("\r\n"), self._on_chunk_length)
elif content_length is not None:
self.stream.read_bytes(content_length, self._on_body)
else:
self.stream.read_until_close(self._on_body)
def test_unix_socket(self):
sockfile = os.path.join(self.tmpdir, "test.sock")
sock = netutil.bind_unix_socket(sockfile)
app = Application([("/hello", HelloWorldRequestHandler)])
server = HTTPServer(app, io_loop=self.io_loop)
server.add_socket(sock)
stream = IOStream(socket.socket(socket.AF_UNIX), io_loop=self.io_loop)
stream.connect(sockfile, self.stop)
self.wait()
stream.write(b("GET /hello HTTP/1.0\r\n\r\n"))
stream.read_until(b("\r\n"), self.stop)
response = self.wait()
self.assertEqual(response, b("HTTP/1.0 200 OK\r\n"))
stream.read_until(b("\r\n\r\n"), self.stop)
headers = HTTPHeaders.parse(self.wait().decode('latin1'))
stream.read_bytes(int(headers["Content-Length"]), self.stop)
body = self.wait()
self.assertEqual(body, b("Hello world"))
def test_unix_socket(self):
sockfile = os.path.join(self.tmpdir, "test.sock")
sock = netutil.bind_unix_socket(sockfile)
app = Application([("/hello", HelloWorldRequestHandler)])
server = HTTPServer(app, io_loop=self.io_loop)
server.add_socket(sock)
stream = IOStream(socket.socket(socket.AF_UNIX), io_loop=self.io_loop)
stream.connect(sockfile, self.stop)
self.wait()
stream.write(b("GET /hello HTTP/1.0\r\n\r\n"))
stream.read_until(b("\r\n"), self.stop)
response = self.wait()
self.assertEqual(response, b("HTTP/1.0 200 OK\r\n"))
stream.read_until(b("\r\n\r\n"), self.stop)
headers = HTTPHeaders.parse(self.wait().decode('latin1'))
stream.read_bytes(int(headers["Content-Length"]), self.stop)
body = self.wait()
self.assertEqual(body, b("Hello world"))
def test_multi_line(self):
# Lines beginning with whitespace are appended to the previous line
# with any leading whitespace replaced by a single space.
# Note that while multi-line headers are a part of the HTTP spec,
# their use is strongly discouraged.
data = """\
Foo: bar
baz
Asdf: qwer
\tzxcv
Foo: even
more
lines
""".replace("\n", "\r\n")
headers = HTTPHeaders.parse(data)
self.assertEqual(headers["asdf"], "qwer zxcv")
self.assertEqual(headers.get_list("asdf"), ["qwer zxcv"])
self.assertEqual(headers["Foo"], "bar baz,even more lines")
self.assertEqual(headers.get_list("foo"),
["bar baz", "even more lines"])
self.assertEqual(sorted(list(headers.get_all())),
[("Asdf", "qwer zxcv"), ("Foo", "bar baz"),
("Foo", "even more lines")])
def test_multi_line(self):
# Lines beginning with whitespace are appended to the previous line
# with any leading whitespace replaced by a single space.
# Note that while multi-line headers are a part of the HTTP spec,
# their use is strongly discouraged.
data = """\
Foo: bar
baz
Asdf: qwer
\tzxcv
Foo: even
more
lines
""".replace("\n", "\r\n")
headers = HTTPHeaders.parse(data)
self.assertEqual(headers["asdf"], "qwer zxcv")
self.assertEqual(headers.get_list("asdf"), ["qwer zxcv"])
self.assertEqual(headers["Foo"], "bar baz,even more lines")
self.assertEqual(headers.get_list("foo"), ["bar baz", "even more lines"])
self.assertEqual(sorted(list(headers.get_all())),
[("Asdf", "qwer zxcv"),
("Foo", "bar baz"),
("Foo", "even more lines")])
